| Frederikshavn to Obernburg am Main | 528.24 mi (850.12 km) |
| Frederikshavn to Obernkirchen | 361.92 mi (582.45 km) |
| Frederikshavn to Oberschleissheim | 636.48 mi (1,024.31 km) |
| Frederikshavn to Oberstdorf | 693.18 mi (1,115.56 km) |
| Frederikshavn to Obertraubling | 589.42 mi (948.58 km) |
| Frederikshavn to Obertshausen | 514.19 mi (827.50 km) |
| Frederikshavn to Oberursel | 506.35 mi (814.89 km) |
| Frederikshavn to Ochsenfurt | 538.64 mi (866.86 km) |
| Frederikshavn to Ochsenhausen | 647.78 mi (1,042.50 km) |
| Frederikshavn to Ochtrup | 385.32 mi (620.12 km) |
| Frederikshavn to Odenthal | 463.59 mi (746.07 km) |
| Frederikshavn to Oelde | 398.95 mi (642.04 km) |
| Frederikshavn to Oelsnitz | 489.82 mi (788.29 km) |
| Frederikshavn to Oer-Erkenschwick | 421.59 mi (678.49 km) |
| Frederikshavn to Oerlinghausen | 385.47 mi (620.36 km) |
